Trigger Effect

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Trigger Effect



Japanese (romanized)

Yūhatsu Kōka


Trigger Effect

Trigger Effects (Japanese: 誘発効果 Yūhatsu Kōka) activate whenever a certain condition on the Field, the nature of play, or the progress of the turn, is met.

Trigger effects are considered to be Spell Speed 1, and can only activate if its conditions have been met. If Compulsory Trigger Effects or Optional Trigger Effects (that do not miss the timing) trigger at a time when they cannot be activated, such as when a current chain already exists, then each triggered effect will start a new chain at the next following opportunity. For simultaneous activations, the order these effects are added to the start of the new chain follow the rulings for when Simultaneous Effects Go On the Chain (TCG currently handles the ordering differently than OCG).

The effect of "Zaborg the Thunder Monarch" is triggered when it is Tribute Summoned, and the effect requires it to destroy 1 monster on the field.

Optional Trigger Effects are effects that don't happen automatically when the trigger condition is fulfilled, the controlling player decides whether to activate it or not. These effects involve cards like "Mystic Tomato", "Peten the Dark Clown", or "Dark Magician of Chaos". With "When... you can..." Optional Trigger Effects it is possible to miss the timing. However, with optional Trigger Effects, like ones with the structure, "If... you can...", the effect can be activated at the first possible opportunity to activate cards and effects after the activation timing was met (skipping over any chain opportunities that forbid that particular effect from activating at that time, such as the Summon negation window).

When two Optional Trigger Effects try to activate at the same time such as two copies of "Mystic Tomato" destroy each other in battle, neither will miss the timing, as the last thing to happen was both being sent to the Graveyard. Both of the effects trigger at the same time, and form a Chain. The Turn Player's effect becomes Chain Link 1, and the opponent's effect becomes Chain Link 2.

Only the activation of an Optional Trigger Effect can miss the timing. In other words, as long as the effect is activated, the resolution will never miss the timing. So two monsters will be summoned in the above example.

Compulsory Trigger Effects are effects that must resolve, and are not Optional. If the conditions for their activations are met during a Chain that is currently resolving, they can only be activated after the current Chain is completely resolved.

Identifying Trigger Effects can be done, for cards made after PSCT change, by looking for a timing related condition, followed by a colon " : ". Some of these cards are not necessarily Trigger Effects, such as Ignition effects that are usually in the form "Once per turn: You can..." or "During your Main Phase: You can..." If you are not sure what type of effect(s) a card has, the information can be looked up. Note that cards like Obelisk the Tormentor with PSCT have the word "When" but don't have a colon. Instead, these usually denote conditions.

Unlike Ignition Effects, which can only be activated on your Main Phase, Trigger Effects activate during either player's turn, as long as the timing or condition for the effect is met.



List of TCG and OCG Monsters with Trigger Effects

  Japanese name Rank Level Attribute Type Card type ATK DEF
8-Claws Scorpion 八つ手サソリ 2 DARK Insect Effect Monster
Monster Card
300 200
A-Assault Core A-アサルト・コア 4 LIGHT Machine Effect Monster
Monster Card
1,900 200
Abaki 暴鬼 4 FIRE Fiend Effect Monster
Monster Card
1,700 1,000
Absolute Crusader レアル・クルセイダー 4 EARTH Warrior Effect Monster
Monster Card
1,800 1,200
Absolute King Back Jack 絶対王 バック・ジャック 1 DARK Fiend Effect Monster
Monster Card
0 0
Absorbing Kid from the Sky 吸収天児 4 LIGHT Fairy Effect Monster
Monster Card
1,300 1,000
Abyss Actor - Evil Heel 魔界劇団-デビル・ヒール 8 DARK Fiend Monster Card
Pendulum Monster
3,000 2,000
Abyss Actor - Funky Comedian 魔界劇団-ファンキー・コメディアン 1 DARK Fiend Monster Card
Pendulum Monster
300 200
Abyss Actor - Pretty Heroine 魔界劇団-プリティ・ヒロイン 4 DARK Fiend Monster Card
Pendulum Monster
1,500 1,000
Abyss Actor - Sassy Rookie 魔界劇団-サッシー・ルーキー 4 DARK Fiend Monster Card
Pendulum Monster
1,700 1,000
… further results

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